Home / 126,876.92-175,108.78-73,151.42

Finding the Fourth Proportional to 126,876.92, 175,108.78 and 73,151.42

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Solution

The fourth proportional to 126,876.92, 175,108.78 and 73,151.42 is: 100,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,876.92 : 175,108.78 = 73,151.42 : x
  2. Step 2: Convert to fraction form
    126,876.92/175,108.78 = 73,151.42/x
  3. Step 3: Cross multiply
    126,876.92x = 175,108.78 × 73,151.42
  4. Step 4: Simplify right side
    126,876.92x = 12,809,455,911.47
  5. Step 5: Solve for x
    x = 12,809,455,911.47/126,876.92
  6. Step 6: Final answer
    x = 100,959.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.